Icom IC-7200 - Service Manual

Other manuals for Icom IC-7200

Instruction Manual104 pages

Advanced Instructions127 pages

Installation Guide19 pages

Quick Start Guide3 pages

Quick Reference Manual7 pages

Questions and Answers

E
eric25Aug 21, 2025
Why is the Icom IC-7200 output power too low?
- J
  Jeremy NelsonAug 21, 2025
  The output power of your Icom Transceiver might be low because the power is set lower than the maximum (set the output power in quick set mode), the microphone gain is set too low (adjust it in quick set mode), the antenna isn't properly connected (reconnect it), the antenna feed line is damaged (check and correct any issues), the antenna isn't correctly tuned (use TUNER to manually tune it), or the wrong antenna is selected for the frequency (select the correct antenna).
M
Matthew SmithSep 4, 2025
What to do if programmed scan does not start on Icom Transceiver?
- E
  Elizabeth SchwartzSep 4, 2025
  If the programmed scan on your Icom Transceiver doesn't start, it might be because the same frequencies have been programmed in scan edge memory channels. To fix this, program different frequencies into the scan edge memory channels.
C
Catherine GregorySep 2, 2025
What to do if there is no sound from the Icom IC-7200 speaker?
- M
  maria96Sep 2, 2025
  If you're not getting any sound from the Icom Transceiver speaker, here's what you can check: * Make sure the volume isn't too low by rotating [AF] clockwise. * Ensure the squelch isn't closed by rotating [RF/SQL] to the 12 o’clock position. * Verify the transceiver isn't in transmit mode by releasing [PTT] or checking the SEND line of any connected external units. * Check the connection of any external speakers or headphones.
M
michael65Sep 1, 2025
Why Icom IC-7200 power does not come on?
- R
  Randy GutierrezSep 1, 2025
  The Icom Transceiver might not power on due to several reasons: the DC power cable may be improperly connected (reconnect it correctly), the fuse may be blown (check the cause and replace it with a spare one), or the battery may be exhausted if you are using a 12 V battery as the power source (check the battery voltage).
C
Chelsea JohnstonAug 30, 2025
Why is receive audio distorted on my Icom IC-7200?
- H
  hoamandaAug 30, 2025
  Receive audio may be distorted on your Icom Transceiver if the operating mode is not selected correctly. Select a suitable operating mode to resolve this.
J
Jennifer LongAug 29, 2025
Why is transmitting impossible on my Icom IC-7200 Transceiver?
- T
  Theodore AllenAug 29, 2025
  Transmitting may be impossible on your Icom Transceiver if the operating frequency is not set in a ham band. Set the frequency in a ham band to resolve this.
Z
zhuffmanAug 27, 2025
Why Icom IC-7200 displayed frequency does not change properly?
- C
  Christopher StephensAug 27, 2025
  If the displayed frequency on your Icom Transceiver isn't changing properly, it could be because the dial lock function is activated (deactivate it by pushing SPCH) or the internal CPU has malfunctioned (reset the CPU).
M
morgan68Aug 26, 2025
Why is the receive signal distorted by strong signals on my Icom IC-7200?
- T
  Timothy MorganAug 26, 2025
  If the receive signal on your Icom Transceiver is distorted by strong signals, it could be because the noise reduction is activated with a level that's too high (set the noise reduction level for maximum readability), the noise blanker function is activated (push NB to turn the function OFF), or the preamp is activated (push P.AMP to turn the function OFF).
A
Amy StuartAug 25, 2025
Why are my transmitted signals distorted on my Icom IC-7200?
- C
  Calvin VillarrealAug 25, 2025
  Transmitted signals from your Icom Transceiver may be distorted if the microphone gain is set too high (adjust it to a suitable level in quick set mode) or if the compression level is too high when the speech compressor is ON (set the compression level to a suitable position).
T
Terri SandersAug 23, 2025
Why is the Icom Transceiver sensitivity too low?
- C
  Catherine Nash DDSAug 23, 2025
  If the sensitivity of your Icom Transceiver is too low, and you can only hear strong signals, check that the antenna is properly connected (reconnect it to the antenna connector), the antenna feed line isn't cut or shorted (check the feed line and correct any issues), the antenna is properly tuned (push TUNER to manually tune the antenna), the attenuator function is off (push P.AMP to turn it OFF), and that you've selected the correct antenna for the operating frequency.

Summary

PARTS LIST

Lists all components for the main unit.

BOARD LAYOUTS

Visual diagrams of PC board component layouts.

VOLTAGE DIAGRAM

Schematic showing voltage distribution and connections.

PARTS LIST

BOARD LAYOUTS

LOGIC UNIT (TOP VIEW)

Top-side component layout for the logic unit PC board.

MAIN UNIT (TOP VIEW)

Top-side component layout for the main unit PC board.

RF UNIT (TOP VIEW)

Top-side component layout for the RF unit PC board.

VR-A UNIT (TOP VIEW)

Top-side component layout for the VR-A unit board.

VR-B UNIT (TOP VIEW)

Top-side component layout for the VR-B unit board.

MIC UNIT (TOP VIEW)

Top-side component layout for the MIC unit board.

PHONE UNIT (TOP VIEW)

Top-side component layout for the PHONE unit board.

VOLTAGE DIAGRAM

LOGIC UNIT (LOGIC-1)

Voltage distribution for Logic Unit 1.

LOGIC UNIT (LOGIC-2)

Voltage distribution for Logic Unit 2.

PA UNIT

Voltage distribution for the PA Unit.

MAIN UNIT

Voltage distribution for the Main Unit.

RF UNIT

Voltage distribution for the RF Unit.

FILTER UNIT

Voltage distribution for the Filter Unit.

INTRODUCTION

MODEL VERSION BAND CARRIER POWER

Details model, version, band, and carrier power specifications.

ORDERING PARTS

Guidelines for ordering replacement components.

REPAIR NOTES

SPECIFICATIONS

INSIDE VIEWS

CIRCUIT DESCRIPTION

3-1 RF UNIT

Description of the RF circuit functions.

3-2 MAIN UNIT

Description of the main unit circuits.

3-3 PA UNIT

Description of the PA unit circuits.

3-4 FILTER UNIT

Description of the filter unit circuits.

3-5 VOLTAGE BLOCK DIAGRAM

Block diagram showing voltage distribution.

3-6 PORT ALLOCATIONS

Allocation and description of unit ports.

ADJUSTMENT PROCEDURES

4-1 PREPARATION

Required equipment and common connections for adjustment.

4-2 ADJUSTMENT

Procedures for transmitter and receiver adjustments.

PARTS LIST

MECHANICAL PARTS

BOARD LAYOUTS

LOGIC UNIT

Top-view layout of the logic unit PC board.

VR-A BOARD

Top-view layout of the VR-A board.

VR-B BOARD

Top-view layout of the VR-B board.

MIC BOARD

Top-view layout of the MIC board.

PHONE BOARD

Top-view layout of the PHONE board.

RF UNIT

Top-view layout of the RF unit PC board.

MAIN UNIT

Top-view layout of the MAIN unit PC board.

FILTER UNIT

Top-view layout of the FILTER unit PC board.

PA UNIT

Top-view layout of the PA unit PC board.

GENERAL WIRING

BLOCK DIAGRAM

SCHEMATIC DIAGRAM

LOGIC UNIT

Schematic diagram for the Logic Unit.

VR-A BOARD

Schematic diagram for the VR-A board.

VR-B BOARD

Schematic diagram for the VR-B board.

MIC BOARD

Schematic diagram for the MIC board.

PHONE BOARD

Schematic diagram for the PHONE board.

MAIN UNIT

Schematic diagram for the Main Unit.

RF UNIT

Schematic diagram for the RF Unit.

PA UNIT

Schematic diagram for the PA Unit.

FILTER UNIT

Schematic diagram for the Filter Unit.

Icom IC-7200 Specifications

Ports & interfaces

connector type	USB B type
interface	USB 2.0/1.1
serial speed	300/1200/4800/9600/19200 bps

Power

power supply	Self power

Audio

received audio output number of data bit	16-bit
received audio output sampling rate	8/11.025/16/22.05/32/44.1/48 kHz
modulation input number of data bit	16-bit
modulation input sampling rate	32/44.1/48 kHz

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